Compounds in cosmetics such as phthalates and parabens have often been subject to concerns around their use, but the issue of cosmetic ingredient safety is rarely a black and white one. The latest edition of Periodic Graphics in C&EN summarises some of the evidence surrounding these components to give a balanced picture of how concerned we should be. Click to view the full graphic on the C&EN site.
Painting your nails with nail polish might not seem like a particularly complex chemical process, but there’s much more to it than meets the eye. Polymerisation, thixotropic agents, solvents and thermochromism are all terms you might expect to hear more frequently in a lab than in a nail salon, but they can all crop up in relation to nail polish. In this graphic and article, we take a look at the different chemistry that comes together to colour your nails.
Lipstick is one of the most commonly used cosmetic products – and a range of chemicals are required for its production. The choice of these ingredients is carefully considered to provide the desired colour, glossiness, and indelibility. A single stick of lipstick will contain several hundred different chemical compounds, but there are a few substances and compounds whose inclusion is essential.
The third of the ‘Everyday Compounds’ series of infographics looks at sodium lauryl sulfate – a compound the majority of us encounter in our showers every day. What’s this chemical doing in your shampoo and toothpaste, why is it also found in engine degreasers, and why could it also potentially be used as a shark repellent?